Experimental demonstration of 448 Gb/s PS-PDM-PAM8 coherent transmission over multi-core fiber

Gao Wenpeng; Gao Yuyuan; Lu DongxuLuo MingLi HaiboHuo JiahaoZhou Xian

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Experimental demonstration of 448 Gb/s PS-PDM-PAM8 coherent transmission over multi-core fiber

机译：Experimental demonstration of 448 Gb/s PS-PDM-PAM8 coherent transmission over multi-core fiber

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The combination of pulse amplitude modulation (PAM) and coherent detection is a promising solution for short reach transmission systems which require the transmission rate of 100 Gb/s and above. In this paper, the transmission of probabilistic shaped polarization-division-multiplexed eight-level pulse amplitude modulated (PS-PDM-PAM-8) signal over multi-core fiber (MCF) using coherent detection is investigated. A modified signal phase-based LMS (SP-LMS) algorithm is proposed to equalize both intensity-modulated and filed modulated PS PAM signals. By employing PS and MCF transmission, the total rate of 448 Gb/s is achieved and compared with traditional PDM-PAM4 signal, the PS-PDM-PAM8 can achieve a 22.4 Gb/s gain in net bit rate.

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来源
《Optical fiber technology》 |2022年第3期|1.1-1.6|共6页
作者
Gao Wenpeng; Gao Yuyuan; Lu DongxuLuo MingLi HaiboHuo JiahaoZhou Xian;
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作者单位

Univ Sci & Technol Beijing USTB;

China Informat Commun Technol Grp Corp;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
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关键词
Pulse amplitude modulation(PAM); Probabilistic shaping(PS); Multi-core fiber(MCF);

Experimental demonstration of 448 Gb/s PS-PDM-PAM8 coherent transmission over multi-core fiber

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